/* id 选择器 */
#win{
    border: 1px solid #FF0000;
    width: 300px;
    height: 180px;
    position: absolute; /* 窗口定位          */
    top: 100px;
    left: 350px;
    display: none;      /* 初始时隐藏窗口 */
}
#title{
    background: #DFE8F6;
    color: green;
    padding-left: 3px;
    padding-right: 3px;
}
#title #txt{
    width: 80%;
}
#title #close{
	width: 20%;
    text-align: right;    
    cursor: pointer;
}
#content{
    padding: 5px 3px 5px 3px;
}